[Xen-devel] [PATCH] Fix races in iret hypercall

["Christoph Egger" <Christoph.Egger@xxxxxxx>]

Hi!

Attached patch fixes races seen on SMP when multiple HVM guests
execute the iret instruction at the same time.

current vcpu can change in the middle of do_iret().

Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>



-- 
AMD Saxony, Dresden, Germany
Operating System Research Center

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Attachment: iret_race.diff
Description: Text Data

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